Battery
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United States of America Patent
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Jun 5, 2018
Issued Date -
Nov 12, 2015
app pub date -
Jan 29, 2013
filing date -
Jan 29, 2013
priority date (Note) -
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Abstract
A flat electrode body of a battery has a first-side curved end positioned on a first side of an electrode body width direction and a second-side curved end positioned on a second side. A positive electrode innermost curved portion of a positive electrode sheet is disposed inside the first-side curved end. When the dimension from a positive electrode connecting portion to the end on the first side of the electrode body is defined as a distance and the dimension from the positive electrode connecting portion to the end on the second side of the electrode body is defined as a distance, the positive electrode connecting portion being in the positive electrode protrusion wound portion and connected to a terminal connecting portion of a positive terminal member, the terminal connecting portion is connected to the positive electrode connecting portion at a position satisfying the condition Ha≥1.1Hb.
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